I think I recall an earlier version of Podtrapper would leave the audio muted after restarting the playback of a paused episode. The user would then have to hit the volume up or down button to get the sound back. I think that problem was resolved in a later revision... at least when using headphones. I just found that the same problem occurs when using the external speaker for output (I have a Storm, in case that matters). When playback is paused for any reason, unpausing resumes playback, but without volume. A volume button (up or down, doesn't matter) must be pressed to recover the sound. Also, the same problem occurs when Podtrapper begins playing the next episode in a list. In other words, the sound is fine playing one episode until that episode ends. When the player switches to the next episode, a volume button must be pushed to get the sound to start.
-SR-